set_property IOSTANDARD LVCMOS33 [get_ports LED]
set_property IOSTANDARD LVCMOS33 [get_ports clk]
set_property IOSTANDARD LVCMOS33 [get_ports rstn]
set_property IOSTANDARD LVCMOS33 [get_ports uart_rxd]
set_property IOSTANDARD LVCMOS33 [get_ports uart_txd]
set_property IOSTANDARD LVCMOS33 [get_ports {key_tri_i[0]}]
set_property PACKAGE_PIN M18 [get_ports LED]
set_property PACKAGE_PIN J19 [get_ports clk]
set_property PACKAGE_PIN L18 [get_ports rstn]
set_property PACKAGE_PIN U2 [get_ports uart_rxd]
set_property PACKAGE_PIN V2 [get_ports uart_txd]
set_property PACKAGE_PIN AA1 [get_ports {key_tri_i[0]}]
